Thinking Mathematically (6th Edition)

by
Blitzer, Robert F.

Published by
Pearson

ISBN 10:
0321867327

ISBN 13:
978-0-32186-732-2

Chapter 2 - Set Theory - 2.2 Subsets - Exercise Set 2.2: 28

Answer

⊆

Work Step by Step

{x|x is a woman or a man} ⊆ {x|x is a person}
The first set is subset of second set because every woman or man is always be a person, and a person will either be a man or woman.
Therefore they are equal sets.